#include <stdio.h>
#include <sys/time.h>
#define NUM (100*1000*1000)


int main()
{
    int a = 0;
    int b = 0;
    while(a < NUM) {
        if(0 == a % 2) {
            b = a >> 1;
        }
        else {
            b = a >> 2;
        }

        a ++ ;
    }

    return 0;
}
